Hearth and Home Technologies EL36 Sidewalls/Surrounds, Frame the Fireplace, Outside, Model #

C. Sidewalls/Surrounds

•Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the fireplace opening.

•Combustible and non-combustible mantel legs, surrounds and stub walls may be constructed within the gridded area, Figure 6.3.

FLUSH	BRICK	4 in.
		[102 mm]
FRONT	FRONT

11 1/4 in.

[286 mm]

	angle	A
50°
		B

12 in.

[305 mm]

39°	9 3/4 in.
	[248 mm]
angle

			A	B
12 in.			Fireplace	Outside
[305 mm]	Model #		Opening	Dimensions
	EL36	in.	36	41
		mm	914	1041
	EL42	in.	42	47
		mm	1067	1194

Figure 6.3 Mantel Leg or Wall Projections (Acceptable on both sides of opening)

D. Frame the Fireplace

Figure 6.4 shows typical framing using combustible materials (2x4 lumber shown).

•Observe all required air space clearances to combustible materials as shown in Figure 6.1 & 6.2.

•Framing across the top of fireplace must be above top standoffs.

2 in. (51 mm) min. air space clearance

from chimney.

C

D

Header MUST NOT be notched!

D = extra space needed for outside air connection.

If outside air duct has no bend, this dimension may be reduced as long as minimum clearances are met.

B

A
	Model		A	B*	C**	D
	EL36	in.	42	21 1/2	39 3/4	8
		mm	1067	546	1010	203
	EL42	in.	48	21 1/2	39 3/4	8
		mm	1219	546	1010	203

* If interior of chase will be drywalled, add the thickness to

	this measurement.
Figure 6.4 Framing the Fireplace	** Adjust header height for a raised floor under fireplace.

20 Heatilator • EL36/EL42 • 4044-132 • Rev AD • 7/12